--- old/jdk/src/java.desktop/share/classes/javax/swing/JLayer.java	2017-01-27 10:19:45.326540180 -0800
+++ new/jdk/src/java.desktop/share/classes/javax/swing/JLayer.java	2017-01-27 10:19:45.210540180 -0800
@@ -286,8 +286,7 @@
             super.remove(oldGlassPane);
         }
         if (glassPane != null) {
-            AWTAccessor.getComponentAccessor().setMixingCutoutShape(glassPane,
-                    new Rectangle());
+            glassPane.setMixingCutoutShape(new Rectangle());
             glassPane.setVisible(isGlassPaneVisible);
             super.addImpl(glassPane, null, 0);
         }